# 会社法 / Companies Act — 第百八十条 (Article 180) - Law: 会社法 (Companies Act), 平成十七年法律第八十六号 - English title "Companies Act": Ministry of Justice translation - Kind: Act — the distinction between 法律 (Act), 政令 (Cabinet Order), 省令 (Ministerial Order) and 条例 (local ordinance) decides who may issue it and what it may say. - Provision: 第百八十条 (Article 180)（株式の併合） — address `art-180` - Text in force since: 2026-08-12 - URL (the page that opens at this provision): https://japanlaw.org/ja/companies-act/art-180 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/417AC0000000086/art-180 - Every provision below carries its address and both URLs on the line under it. - Japanese text: e-Gov 法令検索, Digital Agency (デジタル庁). English: as marked on each line below. Only the Japanese as published by the government has legal effect; the text below is a copy of it. Every English rendering below is a translation and says which kind: the Ministry of Justice's translation, or this site's machine translation, whose model and date the Sources list names. They are never merged and never substituted for one another. --- ### 第百八十条（株式の併合） — (Consolidation of Shares) caption: Ministry of Justice translation — Japanese Law Translation Database System art-180 · https://japanlaw.org/ja/companies-act/art-180 · https://japanlaw.org/l/417AC0000000086/art-180 **第一項** 株式会社は、株式の併合をすることができる。 art-180/par-1 · https://japanlaw.org/ja/companies-act/art-180/par-1 · https://japanlaw.org/l/417AC0000000086/art-180/par-1 A stock company may consolidate its shares. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 株式会社は、株式の併合をしようとするときは、その都度、株主総会の決議によって、次に掲げる事項を定めなければならない。 art-180/par-2 · https://japanlaw.org/ja/companies-act/art-180/par-2 · https://japanlaw.org/l/417AC0000000086/art-180/par-2 Whenever a stock company intends to consolidate its shares, it must determine the following matters by a resolution at a shareholders meeting: Ministry of Justice translation — Japanese Law Translation Database System **一** 併合の割合 art-180/par-2/item-1 · https://japanlaw.org/ja/companies-act/art-180/par-2/item-1 · https://japanlaw.org/l/417AC0000000086/art-180/par-2/item-1 the ratio of the consolidation; Ministry of Justice translation — Japanese Law Translation Database System **二** 株式の併合がその効力を生ずる日（以下この款において「効力発生日」という。） art-180/par-2/item-2 · https://japanlaw.org/ja/companies-act/art-180/par-2/item-2 · https://japanlaw.org/l/417AC0000000086/art-180/par-2/item-2 the day when the consolidation of shares will become effective (hereinafter referred to as "effective day" in this Subsection); Ministry of Justice translation — Japanese Law Translation Database System **三** 株式会社が種類株式発行会社である場合には、併合する株式の種類 art-180/par-2/item-3 · https://japanlaw.org/ja/companies-act/art-180/par-2/item-3 · https://japanlaw.org/l/417AC0000000086/art-180/par-2/item-3 if the stock company is a company with class shares, the classes of the shares it will consolidate; and Ministry of Justice translation — Japanese Law Translation Database System **四** 効力発生日における発行可能株式総数 art-180/par-2/item-4 · https://japanlaw.org/ja/companies-act/art-180/par-2/item-4 · https://japanlaw.org/l/417AC0000000086/art-180/par-2/item-4 the total number of authorized shares on the effective day. Ministry of Justice translation — Japanese Law Translation Database System **第三項** 前項第四号の発行可能株式総数は、効力発生日における発行済株式の総数の四倍を超えることができない。ただし、株式会社が公開会社でない場合は、この限りでない。 art-180/par-3 · https://japanlaw.org/ja/companies-act/art-180/par-3 · https://japanlaw.org/l/417AC0000000086/art-180/par-3 The total number of authorized shares under item (iv) of the preceding paragraph may not exceed the number four times the number of total issued shares on the effective day; provided, however, that this does not apply if the stock company is not a public company. Ministry of Justice translation — Japanese Law Translation Database System **第四項** 取締役は、第二項の株主総会において、株式の併合をすることを必要とする理由を説明しなければならない。 art-180/par-4 · https://japanlaw.org/ja/companies-act/art-180/par-4 · https://japanlaw.org/l/417AC0000000086/art-180/par-4 The directors must, at the shareholders meeting referred to in paragraph (2), explain the reasons for the need to consolidate the shares. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-180/par-3: 前項第四号 → 会社法 第百八十条第二項第四号 (Article 180, paragraph (2), item (iv)), art-180/par-2/item-4 — https://japanlaw.org/ja/companies-act/art-180/par-2/item-4 · https://japanlaw.org/l/417AC0000000086/art-180/par-2/item-4 - art-180/par-4: 第二項 → 会社法 第百八十条第二項 (Article 180, paragraph (2)), art-180/par-2 — https://japanlaw.org/ja/companies-act/art-180/par-2 · https://japanlaw.org/l/417AC0000000086/art-180/par-2 ## Cited by 12 provisions cite this one. No official source publishes this direction. - 会社法 第百八十条第三項（株式の併合） — https://japanlaw.org/ja/companies-act/art-180/par-3 · https://japanlaw.org/l/417AC0000000086/art-180/par-3 - 会社法 第百八十条第四項（株式の併合） — https://japanlaw.org/ja/companies-act/art-180/par-4 · https://japanlaw.org/l/417AC0000000086/art-180/par-4 - 会社法 第百八十一条第一項（株主に対する通知等） — https://japanlaw.org/ja/companies-act/art-181/par-1 · https://japanlaw.org/l/417AC0000000086/art-181/par-1 - 会社法 第百八十二条第一項（効力の発生） — https://japanlaw.org/ja/companies-act/art-182/par-1 · https://japanlaw.org/l/417AC0000000086/art-182/par-1 - 会社法 第百八十二条第二項（効力の発生） — https://japanlaw.org/ja/companies-act/art-182/par-2 · https://japanlaw.org/l/417AC0000000086/art-182/par-2 - 会社法 第百八十二条の二第一項（株式の併合に関する事項に関する書面等の備置き及び閲覧等） — https://japanlaw.org/ja/companies-act/art-182-2/par-1 · https://japanlaw.org/l/417AC0000000086/art-182-2/par-1 - 会社法 第百八十二条の二第一項第一号（株式の併合に関する事項に関する書面等の備置き及び閲覧等） — https://japanlaw.org/ja/companies-act/art-182-2/par-1/item-1 · https://japanlaw.org/l/417AC0000000086/art-182-2/par-1/item-1 - 会社法 第百八十二条の四第二項第一号（反対株主の株式買取請求） — https://japanlaw.org/ja/companies-act/art-182-4/par-2/item-1 · https://japanlaw.org/l/417AC0000000086/art-182-4/par-2/item-1 - 会社法 第百八十二条の六第一項（株式の併合に関する書面等の備置き及び閲覧等） — https://japanlaw.org/ja/companies-act/art-182-6/par-1 · https://japanlaw.org/l/417AC0000000086/art-182-6/par-1 - 会社法 第二百十五条第二項（株券の発行） — https://japanlaw.org/ja/companies-act/art-215/par-2 · https://japanlaw.org/l/417AC0000000086/art-215/par-2 - 会社法 第二百十九条第一項第二号（株券の提出に関する公告等） — https://japanlaw.org/ja/companies-act/art-219/par-1/item-2 · https://japanlaw.org/l/417AC0000000086/art-219/par-1/item-2 - 会社法 第三百九条第二項第四号（株主総会の決議） — https://japanlaw.org/ja/companies-act/art-309/par-2/item-4 · https://japanlaw.org/l/417AC0000000086/art-309/par-2/item-4 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 会社法 — the text in force from 2026-08-12 (https://laws.e-gov.go.jp/law/417AC0000000086/20260812_508AC0000000064), retrieved 2026-09-17 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Companies Act — Ministry of Justice translation (part 1 of 2) (https://www.japaneselawtranslation.go.jp/en/laws/view/4481/tb), retrieved 2026-09-17 - This site's parser, version 211 — 会社法 — structure, counts, cross-references and defined terms, computed 2026-09-17